package weather;

import java.io.InputStream;
import java.io.OutputStream;
import gnu.io.CommPortIdentifier;
import gnu.io.SerialPort;
import gnu.io.SerialPortEvent;
import gnu.io.SerialPortEventListener;

import java.util.Calendar;
import java.util.Enumeration;
import java.util.LinkedList;
import java.util.List;

public class SerialTest implements SerialPortEventListener {
	SerialPort serialPort;
	/** The port we're normally going to use. */
	private static final String PORT_NAMES[] = { "/dev/tty.usbserial-A9007UX1", // Mac
																				// OS
																				// X
			"/dev/ttyUSB0", // Linux
			"COM7", // Windows
	};
	/** Buffered input stream from the port */
	private InputStream input;
	/** The output stream to the port */
	private OutputStream output;
	/** Milliseconds to block while waiting for port open */
	private static final int TIME_OUT = 2000;
	/** Default bits per second for COM port. */
	private static final int DATA_RATE = 9600;
	DatabaseHelper dataBase = new DatabaseHelper();
	/** Queues up the data for SQL input**/
	private String data = "";
	/** For telling which data is being used*/
	private int dataCount = 0;

	private int seconds = 0;
		
	public void initialize() throws Exception {
		CommPortIdentifier portId = null;
		Enumeration portEnum = CommPortIdentifier.getPortIdentifiers();

		// iterate through, looking for the port
		while (portEnum.hasMoreElements()) {
			CommPortIdentifier currPortId = (CommPortIdentifier) portEnum
					.nextElement();
			for (String portName : PORT_NAMES) {
				if (currPortId.getName().equals(portName)) {
					portId = currPortId;
					break;
				}
			}
		}

		if (portId == null) {
			System.out.println("Could not find COM port.");
			throw new Exception();
		}

		try {
			// open serial port, and use class name for the appName.
			serialPort = (SerialPort) portId.open(this.getClass().getName(),
					TIME_OUT);

			// set port parameters
			serialPort.setSerialPortParams(DATA_RATE, SerialPort.DATABITS_8,
					SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);

			// open the streams
			input = serialPort.getInputStream();
			output = serialPort.getOutputStream();

			// add event listeners
			serialPort.addEventListener(this);
			serialPort.notifyOnDataAvailable(true);
		} catch (Exception e) {
			System.err.println(e.toString());
		}
	}

	/**
	 * This should be called when you stop using the port. This will prevent
	 * port locking on platforms like Linux.
	 */
	public synchronized void close() {
		if (serialPort != null) {
			serialPort.removeEventListener();
			serialPort.close();
		}
	}

	/**
	 * Handle an event on the serial port. Read the data and print it.
	 */
	public synchronized void serialEvent(SerialPortEvent oEvent) {
		if (oEvent.getEventType() == SerialPortEvent.DATA_AVAILABLE) {
			try {
				Calendar cal=Calendar.getInstance();
                int min = cal.get(Calendar.MINUTE);
                int sec = cal.get(Calendar.SECOND);
				int available = input.available();
				byte chunk[] = new byte[available];
				input.read(chunk, 0, available);
				String fullData = "";

				// Displayed results are codepage dependent
				
				//System.out.print(new String(chunk));
				char[] chars = (new String(chunk)).toCharArray();
				for(char c: chars) {
					if(c == '\n') {
						switch (dataCount) {
						case 0:
							System.out.println("temp ");
							if(sec==0 && min==0)
                            {
                                    dataBase.incrementTempDB();
                                    dataBase.dbAddTemp(1, Double.valueOf(data));
                            }
							GUI.updateHiLow("Temperature", Double.valueOf(data));
							GUI.updateRealTime("Temperature", Double.valueOf(data));
							break;
						case 1:
							System.out.println("pressure ");
							GUI.updateHiLow("Pressure", Double.valueOf(data));
							GUI.updateRealTime("Pressure", Double.valueOf(data));
							break;
						case 2:
							System.out.println("humidity ");
							GUI.updateHiLow("Humidity", Double.valueOf(data));
							GUI.updateRealTime("Humidity", Double.valueOf(data));
							break;
						case 3:
							System.out.println("wind speed ");
							if(sec%5==0)
                            {
                                    dataBase.incrementWindDB();
                                    dataBase.dbAddWind(1, Double.valueOf(data));
                            }
							GUI.updateHiLow("Wind Speed", Double.valueOf(data));
							GUI.updateRealTime("Wind Speed", Double.valueOf(data));
							break;
						case 4:
							System.out.println("wind direction ");
							GUI.updateRealTime("Wind Direction", Double.valueOf(data));
							break;
						case 5:
							System.out.println("rain ");
							GUI.updateRealTime("Rain Accumulation", Double.valueOf(data));
							break;
						}
						System.out.print(data);
						data = "";
						dataCount++;
						if(dataCount == 6) {
							GUI.putRealTime();
							seconds++;
							dataCount = 0;
						}
					} else {
						data = data + c;
					}
				}
			} catch (Exception e) {
				System.err.println(e.toString());
			}
		}
		// Ignore all the other eventTypes, but you should consider the other
		// ones.
	}

	public static void main(String[] args) throws Exception {
		SerialTest main = new SerialTest();
		main.initialize();
		System.out.println("Started");
	}
}